/Engine/Source/Runtime/Datasmith/DatasmithCore/Public/IDatasmithSceneElements.h
Returns the LevelVariantSets using this index
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDatasmithLevelVariantSetsElement](API\Runtime\DatasmithCore\IDatasmithLevelVariantSetsElemen-) > GetLevelVariantSets ( int32 InIndex )